Abstract
We consider a dynamical system consisting of one large massive particle and an infinite number of light point particles. We prove that the motion of the massive particle is, in a suitable limit, described by the Ornstein-Uhlenbeck process. This extends to three dimensions previous results by Holley in one dimension.
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Communicated by A. Jaffe
On leave of the Institut für Theoretische Physik I der Universität Münster. Supported by a Nato fellowship
Supported by NSF Grant, No. PHY 78-03816
Supported by NSF Grant, Phy 78-15920
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Dürr, D., Goldstein, S. & Lebowitz, J.L. A mechanical model of Brownian motion. Commun.Math. Phys. 78, 507–530 (1981). https://doi.org/10.1007/BF02046762
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DOI: https://doi.org/10.1007/BF02046762